Given 
, find 
.
Fill in the blank(s) with the appropriate word(s).
–20
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Solve the problem.The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the table to answer the question. 
What percentage of those that were found to be truthful were actually lying ?
A. 72.4% B. 15.1% C. 10.9% D. 0.8%
Write interval notation.{x? x < 5}
A. (5, ?) B. [5, ?) C. (-?, 5) D. (-?, 5]
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Find the product and simplify.
? 
A. 
B. 
C. 3
D. 9